michellewilliam michellewilliam

15-06-2014
Mathematics

contestada

factor using ac-method and factor completely, 25x²-30x--40 (help)

Respuesta :

konrad509 konrad509

15-06-2014

[tex]25x^2-30x-40=\\ 5(5x^2-6x-8)=\\ 5(5x^2-10x+4x-8)=\\ 5(5x(x-2)+4(x-2))=\\ 5(5x+4)(x-2) [/tex]

Answer Link

Аноним Аноним

15-06-2014

Answer :[tex]25x^2-30x-40 \\ =5(5x^2-10x+4x-8) \\ =5[5x(x-2)+4(x-2)] \\ =5(x-2)(5x+4)[/tex]

Answer Link

Otras preguntas

What are the solutions of -3-y^2=24

Through (-2, -2) parallel to 2y-x=7

Who was John Howe ( American revolutionary war) and why did he matter to our history?

Factor tree for number 119

Tell the value of the underlined digit 17,874,000,000 the 1 is underlined

3.7 times 9.4 show work

Simplify 2/(2+ square root of 3)

A train travels at a speed of 30 mph and travel a distance of 240 miles. How long did it take the train to complete it's journey?

what happened to the loyalists property after the revolutionary war was over

what is the reference angle of 330° degrees